China wholesale custom DIN912 black allen hex socket head screw
Material： Aluminum, Alloy Steel,carbon steel,stainless steel 304/316,brass,etc
Treatment/Finishing： Polishing, Milling, Anodised Gold, Blue, Green, Purple , Black，
Requirements： No Burrs、Scratches、Dents、Pits.
Heat Treatment：Tempering,Hardening,Spheroidizing,Stress Relieving.
Equipment accessories: airplane, ship, bicycle, motorcycle, auto, wheelchair, sports,
anchor, weapon, etc.
Packing：bulk+carton+pallet ,small box+carton+box.
We specialise in the supply of non-standard and made to drawing fasteners, as well
as those made from exotic materials.